Evidence map›Paper›PMID 41647637›Full record

ArticleFrontiers in plant science2025

Reduced nitrogen availability in hydroponically grown Chinese broccoli does not affect photosynthetic performance and yield while enhancing nitrogen use efficiency and nutritional quality.

Jie He, Wei Ling Tan, Lin Qin, Cheng-Hsiang Lai, Itamar Shenhar, Menachem Moshelion, Kee Woei Ng

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Frontiers in plant science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Jie HeNational Institute of Education, Nanyang Technological University, Singapore, Singapore.
Wei Ling TanNational Institute of Education, Nanyang Technological University, Singapore, Singapore.
Lin QinNational Institute of Education, Nanyang Technological University, Singapore, Singapore.
Cheng-Hsiang LaiNational Institute of Education, Nanyang Technological University, Singapore, Singapore.
Itamar ShenharSingapore-HUJ Alliance for Research and Enterprise (SHARE), Singapore, Singapore.
Menachem MoshelionSingapore-HUJ Alliance for Research and Enterprise (SHARE), Singapore, Singapore.
Kee Woei NgSingapore-HUJ Alliance for Research and Enterprise (SHARE), Singapore, Singapore.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Nitrogen (N) deficiency negatively affects the productivity and nutritional quality of leafy vegetables. N overfertilization leads to low nitrogen use efficiency (NUE), accelerates the eutrophication of water, and may reduce productivity and nutritional quality. In this study, hydroponically grown Chinese broccoli, Kai Lan, was supplied with a gradient of six N concentrations from deficient to surplus, ranging from 40 to 400 ppm. Compared to those grown with full N of 200 ppm, plants supplied with 40 and 400 ppm N had significantly lower yield and lower photosynthetic light use efficiency and CO

Indexed as

Chinese broccolidietary mineralsnitrogen use efficiencyphotosynthetic performancephytonutrientsyield

Identifiers

PMID41647637
PMCPMC12869317

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.